A highway authority's non-feasance immunity extends to stormwater drains constructed as part of road infrastructure. The removal of a barricade placed without authority by a third party over a known danger does not constitute misfeasance by the highway authority, even if the authority's employees were aware of the danger. A council is not vicariously liable for damage caused by an independent contractor's truck where the damaging act was outside the scope of the authorised works.
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